calc.engineer / General & Math / Test Grade

Test Grade v1.0.0

Calculates a test or exam grade from the number of correct answers and total questions. Returns the percentage score, letter grade, points missed, and GPA points. Supports US grading (A/B/C/D/F with 4.0 GPA scale), UK grading (First/2:1/2:2/Third/Fail), and percentage-only mode. US thresholds: A>=90, B>=80, C>=70, D>=60, F<60. UK thresholds: First>=70, 2:1>=60, 2:2>=50, Third>=40, Fail<40. Useful for students checking scores and teachers computing class statistics.

Number of questions answered correctly. Must be a non-negative integer.
Total number of questions on the test. Must be a positive integer.
Grading scale to use. 'us' for A-F letter grades, 'uk' for First/2:1/2:2/Third/Fail, 'percentage_only' for just the percentage.
Fill in the inputs and Compute to see the structured result.

From an agent (MCP) or the API

curl -X POST https://calc.engineer/api/test_grade \
  -H "Content-Type: application/json" \
  -d '{"correct": …, "total": …, "grading_scale": …}'

MCP: connect to https://calc.engineer/mcp and call test_grade.

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