More than the basics
From quick arithmetic to roots, powers, logarithms and trigonometry. Open Scientific mode for the full set.
FREE ONLINE CALCULATOR
What is CalcSolver?
CalcSolver makes everyday math a little easier. A practical online calculator and a collection of clear explanations for students, teachers and anyone with a number to work out.
CALCSOLVER
Ready when you are.
Angles in degrees · close function brackets before calculating
PRECISION, SIMPLIFIED.
Enter to calculate · Esc to clear · Keyboard friendly
A little more to explore
Turn on Code Mode and enter 0000 to explore activities. Have a four-digit activity code? Enter it to go straight there.
SMALL TOOL. BIG POSSIBILITIES.
Why choose CalcSolver?
Everything you need to get from a question to a clear answer.
Ready in an instant
Calculations happen right in your browser. No waiting for a server, downloading an app or creating an account.
Understand the answer
Explore straightforward explanations and worked examples. Build confidence, one small calculation at a time.
How to use CalcSolver
Tap the keys or type an expression, then press = or Enter. Use brackets to group operations. Clear the screen with C, or use ⌫ to correct a single character.
Try a little math
2 + 3 × 4=14Available functions & keyboard shortcuts +
Scientific functions
sin(30), cos(60), tan(45) use degrees. log(100) uses base 10; ln(e) uses the natural logarithm.
Powers & constants
Use 2^8 for powers, sqrt(81) for roots and 5! for factorials. Constants pi and e are supported.
Everyday calculations
Four operations, negative numbers, brackets and decimal values. A percentage such as 25% is evaluated as 0.25.
Your keyboard works too
Type an expression. Enter calculates, Backspace deletes and Esc clears. Click a key or the display to get started.
A LITTLE KNOW-HOW
CalcSolver Math Solutions
Simple explanations for the questions that come up again and again.
Basic Algebra
Make sense of expressions, equations and polynomials.
- What Is the Remainder Theorem?
- Dividing Polynomials by Binomials
- How to Factor Polynomials
- Polynomials: Definition, Examples and Types
- Basic Algebra Formulas with Examples
- Algebraic Fractions: Worked Examples
Percent and Decimal
Move confidently between fractions, decimals and percentages.
- 1/4 as a Percent and Decimal
- 7/10 as a Percent and Decimal
- 6/7 as a Percent and Decimal
- 5/6 as a Percent and Decimal
- 1/3 as a Percent and Decimal
- 1/2 as a Percent and Decimal
Equivalent Fractions
Find different fractions that represent the same value.
- What Is Equivalent to 13/17?
- What Is Equivalent to 11/17?
- What Is Equivalent to 11/13?
- What Is Equivalent to 8/9?
- What Is Equivalent to 4/7?
- What Is Equivalent to 1/7?
When should you use a calculator?
Checking a homework answer. Splitting a bill. Working out a discount. Converting a fraction. Sometimes all you need is a reliable tool and a moment of clarity.
CalcSolver runs on your phone, tablet or computer. Keep it open for quick calculations, and explore the math guides whenever you want to understand the method behind the result.
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