Digital protractor
Digital protractor: process input with a deterministic local pure function, validate boundaries, and avoid network, devices, or browser state.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Input
Result
Local deterministic result
Enter a value to see the result
What this tool does
- Inspect a local result
- Copy the result to another tool
Example
Input
10 20
Output
读数: 15° A→B 差角: 10° 屋顶坡度: 0.2679 锁定: 否 陀螺仪需要设备权限（未调用）
Results come from deterministic local logic; device, network and permission actions are not executed by the pure function.
Frequently asked questions
Does it use the network?
No, input is processed locally.
Is it reproducible?
Yes, identical input and options produce the same result.
Are device features executed?
No, device and permission actions are explicitly skipped.
Keywords：数字量角器Digital protractorprotractoroffline纯函数deterministic