School Calculators Online

let gradeSteps = “”; function calculateGrade() { gradeSteps = “”; const subject1 = parseFloat(document.getElementById(“subject1”).value); const subject2 = parseFloat(document.getElementById(“subject2”).value); const subject3 = parseFloat(document.getElementById(“subject3”).value); const totalMarks = parseFloat(document.getElementById(“totalMarks”).value); if (isNaN(subject1) || isNaN(subject2) || isNaN(subject3) || isNaN(totalMarks) || totalMarks = 90) { grade = “A”; } else if (percentage >= 80) { grade = “B”; } else if (percentage >= 70) { grade = “C”; } else { grade = “F”; } document.getElementById(“gradeResult”).value = grade; gradeSteps += `Inputs:
Subject 1: ${subject1}
Subject 2: ${subject2}
Subject 3: ${subject3}
Total Marks: ${totalMarks}

`; gradeSteps += `Formula:
Grade = Total Marks Obtained / Total Marks * 100

`; gradeSteps += `Results:
Grade: ${grade}
Percentage: ${percentage.toFixed(2)}%
`; if (document.getElementById(“stepsContent”).style.display === “block”) { document.getElementById(“stepsContent”).innerHTML = gradeSteps; } } function resetForm() { document.querySelectorAll(“#schoolCalculatorForm input”).forEach(el => el.value = “”); gradeSteps = “”; document.getElementById(“stepsContent”).innerHTML = “

Not calculated yet.

“; } function toggleSteps() { const steps = document.getElementById(“stepsContent”); const arrow = document.getElementById(“toggleArrow”); if (steps.style.display === “none” || steps.style.display === “”) { steps.style.display = “block”; arrow.style.transform = “rotate(180deg)”; steps.innerHTML = gradeSteps || “

Not calculated yet.

“; } else { steps.style.display = “none”; arrow.style.transform = “rotate(0deg)”; } }