Guides & Insights

Articles & Guides

In-depth guides on age & date math, finance, health and everyday calculations — written to help you get the most out of every AgeCalc Pro tool.

Scientific Calculator – How It Works

A full scientific calculator with common functions. Learn how the scientific calculator works and how to use it correctly.

Convert between fractions and decimals. Learn how the decimal calculator works and how to use it correctly.

Find the average (mean) of a set of numbers. Learn how the average calculator works and how to use it correctly.

Add, subtract, multiply or divide fractions. Learn how the fraction calculator works and how to use it correctly.

Find the greatest common divisor. Learn how the gcd calculator works and how to use it correctly.

Calculate percentages, increases and decreases. Learn how the percentage calculator works and how to use it correctly.

Generate a random number within a range. Learn how the random number generator works and how to use it correctly.

Check if a number is prime. Learn how the prime number calculator works and how to use it correctly.

Find the least common multiple. Learn how the lcm calculator works and how to use it correctly.

Simplify and compare ratios. Learn how the ratio calculator works and how to use it correctly.