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About Machinist's Calculator
App Store
Quickly solve trades math problems with this convenient App!
Right Angle calculations-Quickly calculate the dimensions and area of a right angle triangle.
Oblique Triangle calculations-Quickly calculate the dimensions and area of an oblique triangle.
Speeds and Feeds - Quickly calculate cutting Speeds and Feeds for drills, milling cutters, and lathe workpieces. Calculate between RPM and Feet-Per-Minute or Meters-Per-Minute, and between Feed-Per-Rev and Feed-Per-Minute. Drill Charts and Materials List are usable right in the function.
Counter Sinks & Drill Points-Calculate drill point and countersink depths. Drill Charts usable right in the function.
Bolt Circles - Calculate X-Y coordinates for equally spaced bolts. You can make the center of the circle any coordinate you need, and place the first hole at any angle.
Sine Bar - Quickly and accurately calculate precision block stack or angle for use with sine bars or sine plates.
Thread Measure - Quickly make all the calculations required to measure screw threads using the 3 wire method.
Drill Charts-Quickly lookup Decimal conversions of Inch based Number & Letter Drills, and Tapping Charts for UN & ISO Metric, Cutting, and Coldform (roll) taps. Use the Drill Charts right in the Speeds & Feeds and C'Sink & Drill Point Functions.
Materials List--Material list containing starting cutting speeds for over 200 materials. Use the Materials List right in the Speeds & Feeds Function.
All calculations can switch between imperial and metric with the touch of a button.
Uses an attractive graphical diagram background for easy answer references! No more text boxes and labels! Automatically makes the calculation once enough information is entered!
Universal App! Compatible with iPhone, iPod Touch, and iPad!
Right Angle calculations-Quickly calculate the dimensions and area of a right angle triangle.
Oblique Triangle calculations-Quickly calculate the dimensions and area of an oblique triangle.
Speeds and Feeds - Quickly calculate cutting Speeds and Feeds for drills, milling cutters, and lathe workpieces. Calculate between RPM and Feet-Per-Minute or Meters-Per-Minute, and between Feed-Per-Rev and Feed-Per-Minute. Drill Charts and Materials List are usable right in the function.
Counter Sinks & Drill Points-Calculate drill point and countersink depths. Drill Charts usable right in the function.
Bolt Circles - Calculate X-Y coordinates for equally spaced bolts. You can make the center of the circle any coordinate you need, and place the first hole at any angle.
Sine Bar - Quickly and accurately calculate precision block stack or angle for use with sine bars or sine plates.
Thread Measure - Quickly make all the calculations required to measure screw threads using the 3 wire method.
Drill Charts-Quickly lookup Decimal conversions of Inch based Number & Letter Drills, and Tapping Charts for UN & ISO Metric, Cutting, and Coldform (roll) taps. Use the Drill Charts right in the Speeds & Feeds and C'Sink & Drill Point Functions.
Materials List--Material list containing starting cutting speeds for over 200 materials. Use the Materials List right in the Speeds & Feeds Function.
All calculations can switch between imperial and metric with the touch of a button.
Uses an attractive graphical diagram background for easy answer references! No more text boxes and labels! Automatically makes the calculation once enough information is entered!
Universal App! Compatible with iPhone, iPod Touch, and iPad!
Write a Review
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Machinists calculator
Aug 4, 2017 Works well for what I bought it for. Creating bolt circles. -
Excellent
Nov 16, 2015 Excellent App. Wish it had dovetail formulas. They are a pain to do by hand. -
Great App
Jul 8, 2015 Somewhat costly but definitely worth every penny!!! -
Machine shop owner
Apr 18, 2015 Saves me countless trips back to the cad cam to adjust feeds speeds and chamfer depths -
Useful on the manual mill and
Aug 18, 2014 I like it. I use it. It got me out if a bolt circle jam.
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Ripped off
Feb 27, 2017 While the advertisement for this app seems quite inclusive, it's falsely advertised. It shows features that this app has that are not present, including taper calculations. Once downloaded this app does not deliver. Apple should look into this and refund our money.more -
Worthless Wonky
Apr 27, 2019 Terrible. Hard (really impossible) to navigate among the various inadequate features. -
Useless since update
Nov 7, 2013 Since the November 6th update this app does not launch. It is useless. It just stays on a black screen. Running on both an iphone 5 and new iPad. 7.0.3 iOS It seems the behind the scenes stability improvements need improvement.
No reviews available
-
Machinists calculator
Aug 4, 2017 Works well for what I bought it for. Creating bolt circles. -
Excellent
Nov 16, 2015 Excellent App. Wish it had dovetail formulas. They are a pain to do by hand. -
Great App
Jul 8, 2015 Somewhat costly but definitely worth every penny!!! -
Machine shop owner
Apr 18, 2015 Saves me countless trips back to the cad cam to adjust feeds speeds and chamfer depths -
Very nice App!
May 30, 2017 Worth the money
-
Useful on the manual mill and
Aug 18, 2014 I like it. I use it. It got me out if a bolt circle jam.
No reviews available
No reviews available
-
Ripped off
Feb 27, 2017 While the advertisement for this app seems quite inclusive, it's falsely advertised. It shows features that this app has that are not present, including taper calculations. Once downloaded this app does not deliver. Apple should look into this and refund our money.more -
Worthless Wonky
Apr 27, 2019 Terrible. Hard (really impossible) to navigate among the various inadequate features. -
Useless since update
Nov 7, 2013 Since the November 6th update this app does not launch. It is useless. It just stays on a black screen. Running on both an iphone 5 and new iPad. 7.0.3 iOS It seems the behind the scenes stability improvements need improvement.
What’s Groovy
Good for quick look up for the basics.
more
less
What’s Subpar
I bought this app for one reason, to calculate lathe speeds and feeds, something this app claims to do. After purchasing it, I found out there isn’t a section of the app even related to lathe speeds and feeds. There is a section for calculating drill speeds and feeds, but not one for lathe work.
In addition, the interface is clunky. Its not really apparent what you can click on for settings, and the ones that are active require you to hold your finger down for a half second vs. just tapping.
This app doesn’t cost much, which is good, because it doesn’t seem to be worth much.
more
less
Filter Reviews
-
Machinists calculator
Works well for what I bought it for. Creating bolt circles. -
Excellent
Excellent App. Wish it had dovetail formulas. They are a pain to do by hand. -
Great App
Somewhat costly but definitely worth every penny!!! -
Machine shop owner
Saves me countless trips back to the cad cam to adjust feeds speeds and chamfer depths -
Useful on the manual mill and
I like it. I use it. It got me out if a bolt circle jam. -
Very nice App!
Worth the money
No reviews available
-
Machinists calculator
Works well for what I bought it for. Creating bolt circles. -
Excellent
Excellent App. Wish it had dovetail formulas. They are a pain to do by hand. -
Great App
Somewhat costly but definitely worth every penny!!! -
Machine shop owner
Saves me countless trips back to the cad cam to adjust feeds speeds and chamfer depths -
Very nice App!
Worth the money
-
Useful on the manual mill and
I like it. I use it. It got me out if a bolt circle jam.
No reviews available
Filter Reviews
-
Ripped off
While the advertisement for this app seems quite inclusive, it's falsely advertised. It shows features that this app has that are not present, including taper calculations. Once downloaded this app does not deliver. Apple should look into this and refund our money. -
Worthless Wonky
Terrible. Hard (really impossible) to navigate among the various inadequate features. -
Useless since update
Since the November 6th update this app does not launch. It is useless. It just stays on a black screen. Running on both an iphone 5 and new iPad. 7.0.3 iOS It seems the behind the scenes stability improvements need improvement.
-
Useless since update
Since the November 6th update this app does not launch. It is useless. It just stays on a black screen. Running on both an iphone 5 and new iPad. 7.0.3 iOS It seems the behind the scenes stability improvements need improvement.
No reviews available
-
Ripped off
While the advertisement for this app seems quite inclusive, it's falsely advertised. It shows features that this app has that are not present, including taper calculations. Once downloaded this app does not deliver. Apple should look into this and refund our money. -
Worthless Wonky
Terrible. Hard (really impossible) to navigate among the various inadequate features. -
Useless since update
Since the November 6th update this app does not launch. It is useless. It just stays on a black screen. Running on both an iphone 5 and new iPad. 7.0.3 iOS It seems the behind the scenes stability improvements need improvement.
There are no editor reviews currently available. Please check again soon.
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