Scientific Calculator
100% PrivateEducation & Research ToolsEvaluate full scientific expressions with a real parser, functions and history.
Runs entirely in your browser. Your input is not uploaded to Ovatly or anywhere else.
Tip: multiplication can be left out, so 2pi and 3(4+1) work. The % key gives the remainder after division (10%3 = 1).
- 1Type an expression, or build it with the keypad: for example 3(4+1), sin(30) or 2^10.
- 2Set DEG or RAD before using trigonometric functions.
- 3Press = or Enter to evaluate; the result replaces the expression so you can keep calculating.
- 4Use MS, MR, M+ and MC to store a value in memory between calculations.
3(4+1) evaluates to 15, because multiplication can be left out in front of a bracket. In DEG mode, sin(30) gives 0.5. And 0.1+0.2 shows 0.3, because the result display trims binary floating point noise to 12 significant digits.
- The % key is the remainder (modulo) operator: 10%3 = 1. It is not a percent button.
- Factorial works for whole numbers from 0 to 170; above that the result is too large for the browser's number format and the calculator says so.
- Results are displayed rounded to 12 significant digits, so a value like 1/3 shows as 0.333333333333 while the stored value keeps full precision for the next step.
- Powers bind more tightly than a leading minus sign, as in standard mathematics: -2^2 = -4. Use brackets, (-2)^2, when you want 4.
sin, cos, tan and their inverses asin, acos, atan (in the chosen angle mode), ln (natural log), log (base 10), log2, sqrt, cbrt, abs and exp, plus the constants pi and e.
About this tool
The Scientific Calculator evaluates full expressions with a real parser written for this page, not a script shortcut: brackets, powers, factorials, roots, logarithms and trigonometry in degrees or radians. You can type an expression or tap the keypad, keep a memory value, and review the last eight calculations in the history.
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Part of Ovatly's free tools in Education & Research Tools.