Scientific Calculator

Trigonometric, logarithmic and power scientific calculator

Scientific Calculator is a free online Calculators tool. Trigonometric, logarithmic and power scientific calculator Related terms: 计算器 · 科学 · scientific · sin · cos · log. Use it on this page without signing in.

0

支持键盘输入（数字、运算符、回车计算、Backspace 删除、Esc 清空）。函数以弧度计算。三角函数、对数、幂、阶乘(n!)均可用。

Help

使用说明

  1. 输入表达式或逐位按键计算
  2. 支持三角函数（sin/cos/tan）、对数（log/ln）、幂运算（^）
  3. 可切换角度制（DEG）与弧度制（RAD）
  4. 支持括号、常量 π 和 e、阶乘（!）
  5. 计算历史可回溯调用

常见问题

  • 角度/弧度：三角函数默认角度制，务必先确认当前模式
  • 运算优先级：遵循数学惯例，括号 幂 乘除 加减
  • 科学计数法：大数自动显示为 1.23e+5 形式
  • 适合学生、工程师、科研日常计算

More Calculators

View all

Tax Calculator

Calculate individual income tax with social insurance

Mortgage Calculator

Compare equal-installment and equal-principal payments

Interest Calculator

Deposit interest and compound interest calculation

Kinship Calculator

Figure out kinship terms — your holiday helper

Date Calculator

Days between dates, countdown, business days

Age · Zodiac · Sign

Age, Chinese zodiac and constellation from your birthday

BMI Calculator

BMI calculation and health assessment

Unit Converter

Length, weight, area, temperature, base conversion

FAQ about Scientific Calculator

What can Scientific Calculator do?

Scientific Calculator is a Calculators tool. Trigonometric, logarithmic and power scientific calculator You can finish the job on this page.

Who should use Scientific Calculator?

Anyone handling 计算器 · 科学 · scientific · sin · cos · log who does not want to install desktop software can use Scientific Calculator in the browser.

Is Scientific Calculator safe? Is my data uploaded?

This tool runs in your browser. We do not collect the content you enter into Scientific Calculator just because you used it.

What similar tools exist?

Related tools in the same Calculators group are listed at the bottom of this page.