Mathematical & Financial Formula Hub

Hardware & Gaming

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Mouse Accuracy Formula

$$\text{Accuracy (\%)} = \left( \frac{\text{Hits}}{\text{Hits} + \text{Misses}} \right) \times 100$$

The Mouse Accuracy Formula is the official session score for Precision, Speed, Flick, and Random modes: Accuracy (%) = Hits ÷ (Hits + Misses) × 100. Click offset and reaction time are extra metrics, not a second accuracy percentage. Tracking mode is the only exception and uses time on target ÷ session time × 100.

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Finance

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Net Worth Formula

$$\text{Net Worth} = \sum \text{Total Assets} - \sum \text{Total Liabilities}$$

The Net Worth Formula calculates an individual or household's net wealth standing by taking the market value of all asset holdings and subtracting total debt obligations. A positive net worth signifies solvency, while a negative net worth indicates liabilities exceed assets.

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Finance

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Notice Period Buyout & Full and Final (FnF) Settlement Formula

$$\text{Notice Shortfall Recovery} = \left(\frac{\text{Monthly Basic Salary} + \text{Dearness Allowance}}{30}\right) \times \text{Shortfall Days}$$ $$\text{Net FnF Settlement} = (\text{Unpaid Salary} + \text{Leave Encashment} + \text{Gratuity} + \text{Bonus}) - (\text{Notice Recovery} + \text{Statutory PF/TDS} + \text{Asset Dues})$$

When an employee resigns from an organization in India, the employer computes the Full and Final (FnF) settlement. If the departing employee cannot serve the mandatory contractual notice period (typically 30, 60, or 90 days), the employer calculates a Notice Period Buyout / Recovery amount based on unserved days. Indian labor court precedents establish that notice buyout recovery must strictly be calculated on Basic Salary plus DA, rather than Total CTC (Gross), unless an explicit valid clause stipulates otherwise.

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Finance

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NPS Formula

$$\begin{aligned} A &= P \times \frac{(1 + r)^n - 1}{r} \times (1 + r) \\ \text{Pension} &= A \times \text{Annuity\%} \end{aligned}$$

The National Pension System (NPS) is a voluntary, long-term retirement savings scheme designed to enable systematic savings. Upon maturity at age 60, a portion of the corpus is paid as a lump sum, and the remaining must be invested in an annuity to provide a regular monthly pension.

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Date & Time

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Numerology Reduction Formula

$$\text{Single Digit} = 1 + ((\text{Digit Sum} - 1) \bmod 9)$$

In Pythagorean numerology, multi-digit numbers are recursively reduced to a single digit between 1 and 9, except when master numbers 11, 22, or 33 are encountered.

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Finance

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Ola & Uber Driver Profitability Formula

$$\text{Net Daily Profit} = (\text{Gross Trip Fares} + \text{Incentives} + \text{Tips} - \text{Platform Commission}) - (\text{Fuel Cost} + \text{Daily EMI/Rental} + \text{Maintenance} + \text{Tolls})$$ $$\text{Effective Hourly Rate} = \frac{\text{Net Daily Profit}}{\text{Total Shift Driving \& Waiting Hours}}$$

Ride-hailing driver earnings from platforms like Ola, Uber, and Rapido are often misjudged because gross app earnings do not reflect heavy recurring vehicle operating costs. Drivers must account for 20%–25% platform commissions, fuel/CNG consumption (including dead mileage driven to reach pickups), monthly vehicle financing EMIs, commercial insurance, municipal road taxes, and regular wear-and-tear maintenance. Dividing net in-pocket earnings by total shift hours gives the true hourly compensation.

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Health

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Pace Formula

$$\begin{aligned} \text{Pace} &= \frac{\text{Time}}{\text{Distance}} \\ \text{Speed} &= \frac{\text{Distance}}{\text{Time}} \\ \text{Finish Time} &= \text{Pace} \times \text{Target Distance} \end{aligned}$$

Pace and speed describe the same underlying relationship between time and distance, just inverted. Pace expresses how much time it takes to cover one unit of distance (useful for runners tracking minutes per km or mile), while speed expresses how much distance is covered per unit of time (more common for cycling or driving). Once a known pace is established from a training run or previous race, that same pace can be used to predict a finish time for a different target distance, assuming a similar effort level is maintained.

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Math

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Percentage Formula

$$\begin{aligned} \text{Percentage} &= \frac{\text{Part}}{\text{Whole}} \times 100 \\ \text{Percentage Increase} &= \frac{\text{New} - \text{Old}}{\text{Old}} \times 100 \\ \text{Percentage Decrease} &= \frac{\text{Old} - \text{New}}{\text{Old}} \times 100 \\ \text{Reverse Percentage} &= \frac{\text{Part}}{\text{Percentage} / 100} \end{aligned}$$

A percentage expresses a number as a fraction of 100, making it easy to compare proportions across different scales. This page covers four related but distinct calculations that are often confused with one another: finding what percentage one number is of another (basic percentage), finding how much a value has grown (percentage increase), finding how much a value has shrunk (percentage decrease), and working backward from a known percentage and part to find the original whole (reverse percentage). Each uses a different arrangement of the same core relationship between a part, a whole, and 100.

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Mathematics & Education

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Percentage Increase & Decrease Formula

$$\text{Percentage Change (\%)} = \frac{\text{New Value} - \text{Initial Value}}{|\text{Initial Value}|} \times 100$$

The percentage change formula measures relative growth (increase) or decline (decrease) between an initial value and a final value as a percentage of the original number.

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Mathematics & Education

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Percentage to CGPA Formula

$$\text{CGPA} = \frac{\text{Percentage (\%)}}{9.5}$$

The Percentage to CGPA conversion formula converts overall percentage marks into an equivalent Cumulative Grade Point Average (CGPA) on a 10-point scale for CBSE, AICTE, VTU, DU, and international 4.0 GPA scales.

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