All UPSC Papers Prelims & Main
Kumar Gautam
Access past and download exams
Access previous years' and Mains from 1990 to 2025. View General Studies 1 and 2 with answer keys. Download and read all offline.
Apps Like Kello for iPhone and iPad
Analyze mechanical watch precision audibly.
The app analyzes mechanical watch precision by measuring the acoustic energy released as a "tick-tock" sound. It compares this sound against the iOS system clock to display timekeeping differences.
Kello screenshots
Ranked alternatives
Showing 401–420 of 1,000 ranked alternatives.
iSectionLite
Alaeddin Jarrar
Calculate section properties for steel designs
Calculates mechanical and structural properties of three-plate built-up sections. Determines moment of inertia, modulus of section, radius of gyration, area, and weight. Provides results in both principal axes.
Knot 3D : Learn To Tie Knots
Nitin Katrodiya
, study math, and practice techniques
To tie practical used in boating, camping, climbing, and sailing. View detailed instructions and diagrams. Explore classifications like hitches, bends, and splices. Study theory and its mathematical applications.
Physics Formula
Zluck Solutions
Review formulas and add notes for revision
Access formulas and equations for mechanics, thermal , electrostatics, current electricity, magnetism, ray optics, wave optics, and modern . Add personal notes for revision. Solve numerical problems using included equations.
Quickfem - 2D Finite Elements
Finite Elephants Ltd
Build, analyze, and visualize 2D models
Perform structural analysis with 2D element modeling. Create and modify models directly on mobile devices. Apply constraints, loads, and materials. View stress and deformation results. Save and share project files.
CalcEngineer
Justin Bush
Calculate CFM, size compressors, analyze pressure drops
Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.
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