Shop
How To
- Learn How
- How to get better at using a calculator
- Learn More about 10 Key Software
- Learn the 10 Key Calculator and Save Time
Calculators
- 10-Key Calculator
- The best handheld calculator
- Statistics Calculator
- The 10 key calculator every accountant should own
- Financial Calculator
- Programming & Scientific Calculator
- Chronicles of the TI calculator and the HP calculator tribal wars
- Graphing Calculator
  - Create Graphs
  - Cartesian Coordinate
- The Essential 10-Key Numeric Keypad
- Units Converter
  - Smart Units
  - Create New Units
Blog
FAQs
- How to customize your calculator
  - Create your own custom calculator
- 3 keys to being a top-performing auditor
- Fees & Discounts
  - Corporate/Bulk Discounts
  - Any Annual Fees?
- Learn the 10 Key Calculator and Save Time
- How to use a 10 Key
  - How to use 10 key calculator Software
  - How to Use a 10 Key Calculator
- 10-key calculator versus normal calculator
- Compatibility
  - OS Compatibility
- The 10 key calculator every accountant should own
- Troubleshoot
Contact Us
- Contact us

A Digital 10-Key Calculator that mirrors real-life

Putting the Science in STEM

Pentacalc's scientific calculator is electronic calculator software for your desktop computer designed to calculate problems in science, engineering, and mathematics.

One scientific calculator to rule them all.

Scientific Calculator

Pentacalc's scientific calculator can calculate:

Trigonometric functions
Rectangular and Polar Conversions

You may work with degrees, radians, and grads and several different bases.