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Excel Quirks | Why Calculation Results Drift Due to Accumulated Fractional Places, and a Look at IEEE 754
Hello, everyone. This is Enta. Have you ever set up a quantity calculation in Excel only to find that “when you add everything up, there’s a 1-yen discrepancy compared to your manual calculation”? Even when estimating costs for slope construction—where you apply formulas like area × unit price × consumption tax—there’s always a discrepancy of 1 yen or 1 m² in the final row. This…
USB is 50 times faster... but we're still delivering on CD!? That's the reality on the job, lol.
Hello, everyone. This is Enta. Let’s put the topic of retaining walls aside for a moment and talk about data exchange. In public works projects, you often hear requests like, “Please provide the [XX] data.” This “[XX]” refers to things like CAD data, photographs, and design calculations. …
Back in the day, there was a building inspection that was like a small theater!!
Hello, everyone. This is Enta. Has the rush of inspections ended yet? Around March 10, as the fiscal year was coming to a close, everyone was running around like crazy with all the inspections lol. That’s just how it is this time of year. That reminds me—back in the day, inspections felt a bit like a small theater…
The survey results showed that about 30% of companies do not use digital whiteboards!
Hello, everyone. This is Enta. I ran a poll on X the other day. *Question:* To those working in the construction industry—whether you’re a subcontractor or a general contractor—do you use electronic chalkboards? — #Enta# (@norimenman) June 4, 2024 So, what do you think…
We’re now in an era where you can choose your work style even within the same industry!
Hello, everyone. This is Enta. I wonder if one day we’ll look back and say, “Back in the day, we used to do construction like this!” lol. We used to call that “laminating and applying,” right? It’s ancient history now, but there are still a few people who do things like this, lol. &nbs…
Photos That Catch Your Eye (How to Take Troublesome Construction Photos)
Hello, everyone. This is Enta. Golden Week ends tomorrow, doesn’t it? Things are going to get busier and busier starting next week, so let’s do our best! ^^ And it’s going to get really hot, too. I have a feeling this year’s heat will be out of the ordinary, so we need to stay alert and take precautions! But enough of that…
Photos to Watch Out For | 9 Bad Examples of How Not to Take Construction Photos on Site
Hello, everyone. It’s Enta here. Another ordinary Sunday has come to an end, and it’s Monday already lol. A three-day weekend? Well… it is the end of the fiscal year, after all! lol Anyway, moving on. I often hear people ask about photography techniques that they’re curious about. I’m going to list them here lol—partly as a reminder to myself, too. 1. The government official’s body is cut off…
When you submit documents that are hard to understand, the recipient’s workload ends up more than doubling!
Hello, everyone. This is Enta. When you hand documents to others, are they easy for them to understand? Whether it’s an Excel spreadsheet or a Word document, can others tell at a glance, “Oh, I see what this is about”? If your documents are just for your own satisfaction, then the moment you hand them over to someone else, your work is…
Why Construction DX Lacks Productivity | The Drawbacks of Using Different Systems for Each Contractor
Hello, everyone. This is Enta. I recently signed up for something called “Buildy.” Have you heard of it? Buildy… Buildy… It seems the general contractor side has features like safety management, access control, CCUS, daily reports, and drawing sharing, among others. As subcontractors, we…



