Age Calculation and Date Arithmetic in Excel — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Age Calculation and Date Arithmetic in Excel

Master precise date formulas, DATEDIF, and modern dynamic arrays in Excel to build accurate age calculators and timeline trackers.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Managing dates and calculating precise elapsed time can be surprisingly complex in spreadsheets. This text-based course guides you from the fundamental principles of how Excel stores date values to building robust, error-free age calculators. You will learn to navigate common pitfalls like leap years, varying month lengths, and formatting issues to ensure your reports are always accurate. By the end of this course, you will be able to confidently construct formulas for HR tracking, project timelines, and customer milestone reports using the most reliable date functions available. What you will learn: Understand how Excel processes dates as serial numbers to build a solid foundation; Master the versatile DATEDIF function to calculate exact age in years, months, and days; Apply the YEARFRAC and ROUNDDOWN functions for decimal-based age computations; Implement modern dynamic arrays and TODAY-based formulas for real-time automated updates; Troubleshoot common date calculation errors and formatting discrepancies. This course begins with essential date concepts and core terminology before moving step-by-step into practical, real-world formulas. Designed specifically for beginners, this course requires no prior advanced spreadsheet experience. Start mastering Excel date arithmetic today and streamline your data tracking.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Age Calculation and Date Arithmetic in Excel
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Age Calculation and Date Arithmetic in Excel
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews

No reviews yet — be the first to share your experience.

Write a review

You'll be asked to sign in after sending — your draft is saved.

Learners also took

Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing