学生工具
计算器和学习辅助工具。
Free 学生工具 — browser-based and private
Every tool in 学生工具 runs in your web browser when possible, so files and text stay on your device. Pick a utility below, read the guide on each tool page, and use related links to move between similar features. No account is required to start.
Tools Directory
01. GPA计算器
免费 GPA计算器 在线.
02. 百分比计算器
免费 百分比计算器 在线.
03. 成绩计算器
免费 成绩计算器 在线.
04. 复利计算器
免费 复利计算器 在线.
05. 学习计时器
免费 学习计时器 在线.
06. 随机点名
免费 随机点名 在线.
07. 科学计算器
免费 科学计算器 在线.
Student tools include GPA and grade calculators, percentage math, compound interest examples, Pomodoro study timers, and scientific calculators. They are built for quick checks while studying—not as official registrar replacements.
Always confirm grading policies with your school before relying on any calculated result for scholarships, probation, or graduation decisions.
What you can do here
- Weighted grade and GPA estimators
- Percentage change and ratio math
- Focus timers with break intervals
- Scientific functions for STEM homework
Frequently Asked Questions
Which GPA scale do you use?
Our GPA calculator supports common 4.0 and 5.0 scales plus percentage inputs. Select the scale that matches your institution’s handbook.