NeoSleek

Welcome to NeoSleek – your all-in-one multipurpose calculator app, designed to assist users across various practical and technical domains. Whether you're a student, engineer, fitness enthusiast, or just planning your holiday meal, this app has a calculator tailored for your needs.
Each calculator is designed with simplicity, accuracy, and speed in mind — making even the most complex calculations easy and accessible for everyone.
Key Features
1. Grass Seed Calculator
Calculate how much grass seed you need based on lawn area and seeding rate.
2. Equilibrium Constant Calculator
Compute the equilibrium constant (K) using reactant and product concentrations for chemistry applications.
3. Rivet Size Calculator
Determine the appropriate rivet size for engineering or mechanical projects using input dimensions.
4. Toothpaste Calculator
Estimate how long your toothpaste will last based on usage per day and tube size.
5. Scrap Gold Calculator
Find the value of scrap gold using weight and karat purity — perfect for jewelry buyers and sellers.
6. Thanksgiving Calories Calculator
Track estimated calories for your Thanksgiving meal based on common dishes and portion sizes.
7. Weight Gain Calculator
Calculate potential weight gain based on caloric intake and expenditure over a period.
8. Trapezoid Calculator
Easily compute the area and perimeter of a trapezoid using base, height, and side values.
9. Stiffness Matrix Calculator
Ideal for civil and mechanical engineers — input values to generate a basic stiffness matrix.
10. Sampling Error Calculator
Calculate sampling error in statistics using sample mean, population mean, and standard deviation.