Widgets for Schools, Teachers and Tutors
Maths, science and study-planning widgets a teacher can put on a class page or learning platform. Everything runs in the student's browser - nothing is collected, which keeps school privacy policies simple.
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Trig in degrees or radians, logs, roots, powers, factorials, pi, e and Ans - typed or tapped.
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Add, subtract, multiply and divide fractions and mixed numbers, with the simplified answer.
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X% of Y, X as a percent of Y, and the percentage change between two values.
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Mean, median, mode, range, variance, standard deviation and quartiles of any list of numbers.
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Real or complex roots of ax^2 + bx + c = 0, with the discriminant, vertex and axis of symmetry.
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Credit-weighted GPA for a term, plus the new cumulative GPA when you add prior results.
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The score you need on the final exam to reach a target grade, plus best and worst cases.
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Length, mass, volume, area, temperature, speed, time, data, pressure, energy and power - exact factors.
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Numbers 1-3999 to Roman numerals and back, with strict checking and a symbol-by-symbol breakdown.
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Live days, hours, minutes and seconds to a date you set, with an "event has started" message.
Why these
- Scientific Calculator - Trigonometry and powers without a hardware calculator.
- Fraction Calculator - Shows simplified and mixed forms for checking homework.
- Percentage Calculator - The three classic percentage questions in one place.
- Statistics Calculator - Mean, median, mode and standard deviation from a pasted list.
- Quadratic Equation Solver - Roots, discriminant and vertex for algebra lessons.
- GPA Calculator - Students tracking their grade point average.
- Final Grade Calculator - What score is needed on the final exam.
- Unit Converter - Science units with exact SI factors.
- Roman Numeral Converter - History and numeracy lessons.
- Countdown Timer - Exam and assignment deadlines.