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Printable protractor
A protractor drawn to the degree, with both scales so an angle is not read as its supplement.
It runs entirely in this browser tab: nothing you type is uploaded, and nothing here counts down, rings or records.
Settings
- Corner radius
- Past half the shorter side it is a full semicircle. A number from 30 to 120.
- Sweep
- A half circle is the school protractor; a full one is for a bearing. Choices: A half circle, A full circle.
- Every
- Seconds between one timestamp and the next. A number from 1 to 10.
- Both scales
- The second scale, read the other way, is what stops an angle being read as its supplement.
How to use it
- Paste your text into the box above, or open a file.
- Adjust the settings beside it until the result is what you wanted.
- Copy the result, or save it as a file. The result updates as you type.
Questions
- Why is there no click counter or reaction timer?
- Because both are a button and a clock, and this page is a function from one text to one result. A reaction timer that measured a browser's own scheduling delay would be reporting the wrong number confidently, which is worse than not shipping it. All eight of the group's device tools are named on the hub instead.
- Does the break schedule remind me?
- No. There is no clock, no notification and no code here that could make one. What it does is write the day out in advance — work, breaks and lunch in the middle of whatever day you gave — so you can print it or put it in a calendar that does ring.
- Will the printed ruler be the right size?
- It will if your printer does not scale the page, which is what the hundred-millimetre check bar is for: hold a ruler against it. The drawing is an SVG whose width is stated in millimetres, so the size is in the file rather than in the viewer.
- Does the decision matrix tell me what to choose?
- No, and it says so on every result. It multiplies your scores by your weights, which makes your own judgement visible; a matrix that came out the way you hoped is a matrix you weighted. What it adds is how close the top two were.
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