Hindustan Calculator Guides
Step-by-step guides on brass and construction quantities, kundli yogas, and SGPA, cut off and IGNOU marks, each linked to the calculator it explains.
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23 Oct 2026 · 2 min read
JEE Main Percentile Explained: Marks, Shifts and Your Rank
Why the same marks give different percentiles in different shifts, and how to turn a percentile into an approximate rank. -
23 Oct 2026 · 3 min read
Step Up SIP Explained: 5% vs 10% Yearly Increase, in Numbers
Raising a ₹10,000 SIP by 10% a year roughly doubles the 20-year corpus. Exact figures for 5% and 10% step-ups. -
23 Oct 2026 · 3 min read
Anna University CGPA Calculation: Grades, Credits and Arrears
How R2021 grades and credits combine, what happens to CGPA when a subject is an arrear, and the × 10 percentage rule. -
23 Oct 2026 · 2 min read
Love Marriage Yoga in Kundli: The 5th and 7th House Link
Why astrologers look at the 5th and 7th lords, how Venus, Mars and Rahu add to the reading, and a worked example… -
23 Oct 2026 · 2 min read
MS Pipe Size Chart: NB, OD and ID Explained for Buyers
Why a “1 inch” pipe measures 33.7 mm outside, how NB, OD and ID relate, and how to check class and weight… -
23 Oct 2026 · 3 min read
Negative Marking Strategy: When Guessing Helps and When It Hurts
With +4/−1 marking, eliminating two options turns a guess into a positive bet. The expected-value maths for common Indian exam patterns. -
23 Oct 2026 · 3 min read
Jeevan Labh Maturity Explained: Bonus, IRR and Real Return
Why ₹10 lakh sum assured can mature near ₹20 lakh and still return only around 5% a year. Bonus, IRR and surrender… -
23 Oct 2026 · 2 min read
Kua Number Lucky Directions: Full Chart for Home and Desk
All four good and four difficult directions for every Kua number, with practical ways to use them for a desk, bed and… -
23 Oct 2026 · 2 min read
Square Tube Size for Gate, Grill and Shed: A Buyer’s Guide
Which square tube sizes fabricators use for grills, gates and sheds, how to estimate the steel in a gate, and how to… -
23 Oct 2026 · 2 min read
IRCTC 60 Day Booking Rule: Plan Festival Trains Without Stress
How the 60-day window is counted from the train's starting date, a festival planning calendar, and practical habits for confirmed tickets.